Description:FIELD OF THE INVENTION
[001] Present invention relates to a system and a method for operating one or more light sources in a vehicle. More particularly, the present invention relates to the system and the method for adjusting luminosity of the one or more light sources in the vehicle.

BACKGROUND OF THE INVENTION
[002] Vehicles, especially two-wheeler vehicles, are equipped with various light sources at various locations on the vehicle. These light sources help illuminate either an environment of the vehicle or a part of the vehicle to aid visibility for a rider of the vehicle. Some of the light sources include a headlamp, a taillamp, a number plate lamp, and an instrument cluster display. The headlamp is used to illuminate a forward region of the vehicle as well as to indicate the presence of the vehicle to other riders or people or vehicles. The taillamp is used to illuminate a rearward region of the vehicle as well as to indicate the presence of the vehicle to the other riders or people or vehicles. The number plate lamp is used to illuminate the number plate of the vehicle. The instrument cluster display is used for displaying one or more vehicle related information to the rider.
[003] In vehicles without automatic brightness control, the light sources glow with maximum capacity even when there is high ambient brightness, for e.g., on a sunny day, which leads to unnecessary wastage of energy and fuel. Further, in conventional vehicles, the taillamp and the number plate lamp are turned ON automatically at maximum brightness when the vehicle is started even during daytime conditions resulting in wastage of energy, which is undesirable.
[004] Additionally, the conventional vehicles include a camera module which is adapted to detect an oncoming traffic. If the oncoming traffic is detected, a control unit in the control module may operate a headlamp such that, a headlamp beam is directed away from the incoming traffic for preventing glaring a rider of the incoming vehicle. Also, in other conventional vehicles, high beam control of the vehicle is based on a vehicle speed. Yet, the light sources of these vehicles illuminate with high luminosity continuously, resulting in failure to conserve energy and fuel.
[005] Thus, there is a need for a system and a method for operating one or more light sources in a vehicle in a way which addresses at least one or more aforementioned problems.

SUMMARY OF THE INVENTION
[006] In one aspect, a system for operating one or more light sources in a vehicle is disclosed. The system comprises a light sensor that is configured to determine a luminous intensity value of ambient light. The system comprises a control unit that is coupled to the one or more light sources and the light sensor. The control unit is configured to receive the determined luminous intensity value from the light sensor and determine a brightness value of the ambient light corresponding to the luminous intensity value received from the light sensor. The control unit is configured to operate each of the one or more light sources such that a luminosity of each of the one or more light sources is adjusted corresponding to the brightness value of the ambient light.
[007] In an embodiment, the one or more light sources comprises a headlamp. The headlamp is mounted forwardly of the vehicle in a front-rear direction of the vehicle. The one or more light sources comprises a taillamp. The taillamp is mounted rearwardly of the vehicle in the front-rear direction of the vehicle. The one or more light sources comprises a number plate lamp. The number plate lamp is mounted rearwardly of the vehicle in the front-rear direction of the vehicle.
[008] In an embodiment, the light sensor is disposed in an instrument cluster. The instrument cluster is disposed forwardly in the vehicle and located above the headlamp.
[009] In an embodiment, the control unit is coupled to a backlight driver of the instrument cluster. The control unit is configured to transmit the determined brightness value to the backlight driver. The backlight driver is coupled to a backlight display and configured to operate the backlight display such that the luminosity of the backlight display is adjusted corresponding to the determined brightness value of the ambient light.
[010] In an embodiment, the control unit is adapted to operate the one or more light sources to a first luminosity when the brightness value of the ambient light is below a first threshold. The control unit is adapted to operate the one or more light sources to a second luminosity when the brightness value of the ambient light is above the first threshold, wherein the first luminosity is greater than the second luminosity.
[011] In an embodiment, the system comprises a driver unit. The driver unit is communicatively coupled to the control unit and the one or more light sources. The driver unit is capable of providing a duty cycle signal indicative of the luminosity of the one or more light sources. The control unit is capable of operating the driver unit for providing the duty cycle signal to adjust luminosity of the one or more light sources corresponding to the brightness value of the ambient light.
[012] In an embodiment, the system comprises an engine management system (EMS). The EMS is disposed in the vehicle. The EMS is communicatively coupled to the control unit. The EMS is adapted to procure one or more parameters of the vehicle. The one or more parameters comprises a speed of the vehicle, a throttle opening position of a throttle body of the vehicle, an engine speed, a charge level of a battery in the vehicle an ignition-OFF condition of the vehicle, and an electric start status of the vehicle.
[013] In an embodiment, the control unit is configured to control one of activation and deactivation of the one or more light sources based on the one or more parameters of the vehicle.
[014] In an embodiment, the control unit is an Electronic Control Unit (ECU) of an Integrator Starter Generator (ISG) unit.
[015] In an embodiment, the light sensor is disposed to either a bottom right side of the instrument cluster of the vehicle or to a center top side of the instrument cluster of the vehicle.
[016] In another aspect of the invention, a method for operating one or more light sources in a vehicle is disclosed. The method comprises determining by a light sensor disposed in the vehicle, a luminous intensity value of ambient light. The method comprises receiving by a control unit disposed in the vehicle, the determined luminous intensity value from the light sensor. The control unit is coupled to the one or more light sources and the light sensor. The method comprises determining by the control unit, a brightness value of the ambient light based on the luminous intensity value received from the light sensor. The method comprises operating by the control unit, each of the one or more light sources such that a luminosity of each of the one or more light sources is adjusted corresponding to the brightness value of the ambient light.
BRIEF DESCRIPTION OF THE DRAWINGS
[017] Reference will be made to embodiments of the invention, examples of which may be illustrated in accompanying figures. These figures are intended to be illustrative, not limiting. Although the invention is generally described in context of these embodiments, it should be understood that it is not intended to limit the scope of the invention to these particular embodiments.
Figure 1 is a left-side view of a vehicle comprising a system for operating one or more light sources, in accordance with an embodiment of the present invention.
Figure 2 is a magnified left-side view of a front portion of the vehicle, in accordance with an embodiment of the present invention.
Figure 3a is a top view of an instrument cluster of the vehicle, in accordance with an embodiment of the present invention.
Figure 3b is a top view of the instrument cluster of the vehicle, in accordance with another embodiment of the present invention.
Figure 4 is a block diagram illustrating the system for operating the one or more light sources in the vehicle, in accordance with an embodiment of the present invention.
Figure 5 is a block diagram illustrating the system for operating the one or more light sources in the vehicle, in accordance with another embodiment of the present invention.
Figure 6 is a flowchart illustrating a method for operating one or more light sources in a vehicle, in accordance with an embodiment of the present invention.

DETAILED DESCRIPTION OF THE INVENTION
[018] Present invention relates to system and a method for operating one or more light sources in a vehicle. The system in the present invention is adapted to operate one or more light sources such that a luminosity of each of the one or more light sources is adjusted corresponding to the brightness value of ambient light. For the purpose of the present invention, the term “vehicle” includes bicycles, scooters, and motorcycles. The term “vehicle” also includes electric vehicles, hybrid vehicles and conventional internal combustion engine vehicles.
[019] Figure 1 is a left-side view of a vehicle 10, in accordance with an embodiment of the present invention. The vehicle 10 is a saddle type vehicle, and includes a frame structure (not shown) to support and mount different parts of the vehicle 10. The vehicle 10 comprises a system 100 (shown in Figures 4 and 5) for operating one or more light sources 20, 22, 24, 106 in a vehicle 10. The one or more light sources 20, 22, 24, 106 are mounted on the vehicle 10 in order to at least illuminate an environment of the vehicle 10, aid in visibility of other riders or people or vehicles, and aid in visibility of the rider of the vehicle 10. The one or more light sources 20, 22, 24, 106 comprises a headlamp 20, a taillamp 22, a number plate lamp 24, and backlight display 106. In an embodiment, the one or more light sources 20, 22, 24, 106 also comprise turn signal lamps (not shown), hazard lamps (not shown) and fog lamps (not shown). The headlamp 20 is mounted at a front portion (not shown) of the vehicle 10 in a front-rear direction of the vehicle 10 or is mounted to a headtube (not shown) of the frame member of the vehicle 10. The taillamp 22 is mounted rearwardly of the vehicle 10 in the front-rear direction of the vehicle 10. The number plate lamp 24 is mounted rearwardly of the vehicle 10 in the front-rear direction of the vehicle 10. Mounting means for the one or more light sources 20, 22, 24, 106 are known in the art. It shall be obvious to a person skilled in the art that any configuration of mounting of the one or more light sources 20, 22, 24, 106 in the vehicle 10 may be used without deviating from the scope of the present invention.
[020] Referring to Figure 2 in conjunction with Figure 1, a magnified left-side view of a front portion of the vehicle 10 is depicted in accordance with an embodiment of the present invention. The system 100 comprises a light sensor 104. The light sensor 104 is disposed in the vehicle 10. The light sensor 104 is configured to determine a luminous intensity value of ambient light. The luminous intensity value corresponds to an amount of light detected by the light sensor 104. In one embodiment, the light sensor 104 is one of a photoresistor, a photodiode, a phototransistor, and the like. The light sensor 104 may be disposed in the vehicle 10 such that the ambient light is received by the light sensor 104.
[021] In an embodiment, the light sensor 104 is disposed in an instrument cluster 102 (as shown in Figures 3a and 3b). The instrument cluster 102 is disposed forwardly in the vehicle 10 and located above the headlamp 20. The front portion of the vehicle 10 is capable of accommodating the headlamp 20 and the instrument cluster 102.
[022] Referring to Figures 3a and 3b in conjunction with Figure 2, the light sensor 104 is shown to be disposed in the instrument cluster 102. In one embodiment, the light sensor 104 is disposed at a center top side of the instrument cluster 102 (refer Figure 3a). In another embodiment, the light sensor 104 is disposed at a bottom right side of the instrument cluster 102 (refer Figure 3b).
[023] The instrument cluster 102 comprises the backlight display 106 and a backlight driver 108 (refer Figure 5). The backlight display 106 is coupled to the backlight driver 104. The backlight driver 108 is configured to operate the backlight display 106 for displaying one or more vehicle related information to the rider of the vehicle 10. The instrument cluster 102 provides one or more vehicle related information like a vehicle speed, an engine speed, a fuel level in a fuel tank, error status regarding control unit 110, a gear indicator, a working condition of the one or more light sources 20, 22, 24, 106, and the like. In one embodiment, the backlight display 106 is a thin film transistor display or may be a Light Emitting Diode (LED) display or a Liquid Crystal Display (LCD).
[024] Figure 4 is a block diagram illustrating the system 100 for operating one or more light sources 20, 22, 24, 106 in the vehicle 10, in accordance with an embodiment of the present invention. The system 100 comprises a control unit 110 disposed in the vehicle 10. The control unit 110 is coupled wirelessly or by wire with each of the one or more light sources 20, 22, 24, 106 and the light sensor 104.
[025] The control unit 110 is configured to receive the determined luminous intensity value from the light sensor 104. In an embodiment, the control unit 110 is capable of receiving the determined luminous intensity value of day as well as night. The control unit 110 is further configured to determine a brightness value of the ambient light corresponding to the luminous intensity value received from the light sensor 104. The control unit 110 is configured to operate each of the one or more light sources 20, 22, 24, 106 such that a luminosity of each of the one or more light sources 20, 22, 24, 106 is adjusted corresponding to the determined brightness value of the ambient light. The adjusted luminosity of each of the one or more light sources 20, 22, 24, 106 corresponds to a desired illumination of the one or more light sources 20, 22, 24, 106 with respect to the environment of the vehicle 10 and the rider of the vehicle 10. The adjusted luminosity of each of the one or more light sources 20, 22, 24, 106 is sufficient to illuminate an environment of the vehicle 10, aid in visibility of other riders or people or vehicles, and aid in visibility of the rider of the vehicle 10, thereby efficiently controlling illumination of the one or more light sources 20, 22, 24, 106, thereby conserving energy (i.e. energy from a battery of the vehicle 10) and fuel. When the brightness of the ambient light is sufficient for the rider to view the environment (i.e., when the brightness is about 100,000 lux), the one or more light sources 20, 22, 24, 106 are dimly illuminated. When the brightness of the ambient light is less preventing the rider from viewing the environment (i.e., when the brightness is about 50 lux), the one or more light sources 20, 22, 24, 106 are brightly illuminated.
[026] The control unit 110 is adapted to operate the one or more light sources 20, 22, 24, 106 to a first luminosity when the brightness value of the ambient light is below a first threshold. In an embodiment, the first luminosity corresponds to a high brightness value of the headlamp 20, the taillamp 22, the number plate lamp 24 and backlight display 106 where the first luminosity ranges from 10,000 to 100,000 lux. Further, the control unit 110 is adapted to operate the one or more light sources 20, 22, 24, 106 to a second luminosity when the brightness value of the ambient light is above the first threshold. In an embodiment, the second luminosity corresponds to a low brightness value of the headlamp 20, the taillamp 22, the number plate lamp 24 and the backlight display 106 where the second luminosity ranges from 10-1000 lux.
[027] In one non-limiting example, when daylight causes high levels of brightness values, the luminosity of the headlamp 20, the taillamp 22, the number plate lamp 24, and the backlight display 106 is operated or controlled to be low. On the other hand, when night causes low levels of brightness values, the luminosity of the headlamp 20, the taillamp 22, the number plate lamp 24 and the backlight display 106 is operated or controlled to be high.
[028] Further, in another embodiment, the taillamp 22 and the number plate lamp 24 are connected to a battery (not shown) disposed in the vehicle 10 at one end and a variable voltage supply (not shown) at the other end. The variable voltage supply is capable of varying the luminosity of the taillamp 22 and the number plate lamp 24 based on a reference battery level. The reference battery level corresponds to the provision of always ON illumination of the taillamp 22 and the number plate lamp 24 when the vehicle 10 is turned on. As a result, the reference battery level meets a homologation requirement of keeping the taillamp 22 and the number plate lamp 24 always ON in the vehicle 10. In an embodiment, when the ambient light is below the first threshold, say during nighttime, the variable voltage supply lowers the luminosity of the taillamp 22 and the number plate lamp 24 as compared to the luminosity of the headlamp 20. The lowered luminosities of the taillamp 22 and the number plate lamp 24 help to prevent glaring of other riders.
[029] However, the control unit 110 is also capable of operating the one or more light sources 20, 22, 24, 106 at maximum luminosity when desired by the rider of the vehicle 10 without limiting the scope of the present invention. Further, the control unit 110 is also capable of mitigating false values recorded by the light sensor 104, thereby preventing inaccurate illumination of the one or more light sources 20, 22, 24, 106. The false values correspond to at least one of short duration of illumination due to the ambient light of the environment and the surrounding vehicles. In an embodiment, the control unit 110 maintains the luminosity of the one or more light sources 20, 22, 24, 106 even when the ambient light changes due to clouds or tunnels.
[030] Figure 5 is a block diagram illustrating the system 100 for operating one or more light sources 20, 22, 24, 106 in the vehicle 10, in accordance with another embodiment of the present invention. The control unit 110 is coupled to the backlight driver 108 of the instrument cluster 102. The control unit 110 is configured to transmit the determined brightness value to the backlight driver 108. The backlight driver 108 is configured to operate the backlight display 106 such that the luminosity of the backlight display 106 is adjusted corresponding to the determined brightness value of the ambient light. In an embodiment, the backlight driver 108 is coupled to the light sensor 104 and is configured to receive the determined brightness value from the light sensor 104.
[031] The system 100 comprises a driver unit 112. The driver unit 112 is communicatively coupled to the control unit 110 and the one or more light sources 20, 22, 24, 106. The driver unit 112 is capable of providing a duty cycle signal indicative of the luminosity of the one or more light sources 20, 22, 24, 106. In an embodiment, duty cycle corresponds to a fraction of time in one period when the signal is active. The control unit 110 operates the driver unit 112 for providing the duty cycle signal to adjust luminosity of the one or more light sources 20, 22, 24, 106 corresponding to the brightness value of the ambient light. In one embodiment, the duty cycle signal corresponds to a pulse width modulation signal. The ON time of the pulse is determined by a pulse width of the determined brightness value provided by the control unit 110 to the driver unit 112. The pulse width corresponds to an ON-OFF ratio that results into a duty cycle signal generated by the driver unit 112. The duty cycle signal is dependent on the determined brightness value of the ambient light. In an embodiment, the control unit 110 is configured to provide the duty cycle signal to the one or more light sensors 20, 22, 24, 106.
[032] The system 100 comprises an engine management system (EMS) 114. The EMS 114 is disposed in the vehicle 10. The EMS 114 is communicatively coupled to the control unit 110 and various sensors and parts (not shown) of the vehicle 10. The EMS 114 is adapted to procure one or more parameters of the vehicle 10. The one or more parameters comprises a speed of the vehicle 10, a throttle opening position of a throttle body of the vehicle 10, the engine speed, a charge level of a battery in the vehicle 10, an ignition-OFF condition of the vehicle 10, and an electric start status of the vehicle 10.
[033] The control unit 110 is configured to control one of activation and deactivation of the one or more light sources 20, 22, 24, 106 based on the one or more parameters of the vehicle 10. In an embodiment, the control unit 110 is an Electronic Control Unit (ECU) of an Integrator Starter Generator (ISG) unit. In an embodiment, the control unit 110 is configured to activate the one or more light sources 20, 22, 24, 106 when the ambient light is below the first threshold and the ignition-OFF condition. In an embodiment, the control unit 110 is configured to deactivate the one or more light sources 20, 22, 24, 106 when the ambient light is above the first threshold and an ignition-ON condition.
[034] In an embodiment, the control unit 110, the driver unit 112, and the backlight driver 108 are embodied as a multi-core processor, a single core processor, or a combination of one or more multi-core processors and one or more single core processors. For example, the control unit 110, the driver unit 112, and the backlight driver 108 are embodied as one or more of various processing devices, such as a coprocessor, a microprocessor, a controller, a digital signal processor (DSP), a processing circuitry with or without an accompanying DSP, or various other processing devices including integrated circuits such as, for example, an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), a microcontroller unit (MCU), a hardware accelerator, a special-purpose computer chip, or the like. In another embodiment, the control unit 110, the driver unit 112, and the backlight driver 108 are configured to execute hard-coded functionality.
[035] The control unit 110, the driver unit 112, and the backlight driver 108 comprise a storage unit (not shown). The storage unit of the control unit 110, the driver unit 112, and the backlight driver 108 may include a memory. The memory may be a main memory, a static memory, or a dynamic memory. The memory may include but is not limited to computer readable storage media such as various types of volatile and non-volatile storage media, including but not limited to random access memory, read-only memory, programmable read-only memory, electrically programmable read-only memory, electrically erasable read-only memory, flash memory, magnetic tape or disk, optical media and the like. The memory is operable to store instructions executable by the processor. The functions, acts or tasks illustrated in the figures or described may be performed by the programmed processor executing the instructions stored in the memory.
[036] Figure 6 is a flowchart illustrating a method 600 for operating the one or more light sources 20, 22, 24, 106 in the vehicle 10, in accordance with an embodiment of the present invention.
[037] At step 602, the light sensor 104 determines the luminous intensity value of the ambient light. The light sensor 104 is disposed in the vehicle 10. In an embodiment, the light sensor 104 is disposed in the instrument cluster 102 of the vehicle 10.
[038] Thereafter, at step 604, the control unit 110 receives the determined luminous intensity value from the light sensor 104. At step 606, the control unit 110 determines the brightness value of the ambient light based on the luminous intensity value received from the light sensor 104, as already explained in description pertaining to Figures 4-5. Subsequently, the control unit 110 transmits the determined brightness value to the backlight driver 108 of the instrument cluster 102 and the driver unit 112. The driver unit 112 then provides the duty cycle signal indicative of the luminosity of the one or more light sources 20, 22, 24, 106.
[039] The control unit 110 operates the driver unit 112 for providing the duty cycle signal to adjust luminosity of the one or more light sources 20, 22, 24, 106 corresponding to the brightness value of the ambient light. At step 608, the control unit 110 operates each of the one or more light sources 20, 22, 24, 106 such that the luminosity of each of the one or more light sources 20, 22, 24, 106 is adjusted corresponding to the brightness value of the ambient light. Further, the backlight driver 108 operates the backlight display 106 such that the luminosity of the backlight display 106 is adjusted corresponding to the determined brightness value of the ambient light.
[040] Subsequently, the control unit 110 operates the one or more light sources 20, 22, 24, 106 to the first luminosity when the brightness value of the ambient light is below the first threshold. Alternatively, the control unit 110 operates the one or more light sources 20, 22, 24, 106 to the second luminosity when the brightness value of the ambient light is above the first threshold.
[041] Additionally, the EMS 114 procures one or more parameters of the vehicle 10, wherein the one or more parameters comprises a speed of the vehicle 10, a throttle opening position of a throttle body of the vehicle 10, an engine speed, a charge level of a battery in the vehicle 10, an ignition-OFF condition of the vehicle 10, and an electric start status of the vehicle 10. The control unit controls one of activation and deactivation of the one or more light sources 20, 22, 24, 106 based on the one or more parameters of the vehicle 10.
[042] The claimed invention as disclosed above is not routine, conventional or well understood in the art, as the claimed aspects enable the following solutions to the existing problems in conventional technologies. Specifically, the claimed aspect of the control unit operating each of the one or more light sources such that a luminosity of each of the one or more light sources is adjusted corresponding to the determined brightness value of the ambient light corresponding to the luminous intensity value received from the light sensor. When the brightness of the one or more light sources is reduced, the engine receives less load which in turn reduces emission and carbon footprint. As such, the battery losses or energy consumption in the vehicle are minimized. The system and method are capable of determining an amount of adjustment of the luminosity of the one or more light sources, thereby improving mileage of the vehicle. Moreover, the present invention is cost-effective as it can work using existing controllers and sensors.
[043] In light of the abovementioned advantages and the technical advancements provided by the disclosed system and method, the claimed steps as discussed above are not routine, conventional, or well understood in the art, as the claimed steps enable the following solutions to the existing problems in conventional technologies. Further, the claimed steps clearly bring an improvement in the functioning of the system itself as the claimed steps provide a technical solution to a technical problem.
[044] While the present invention has been described with respect to certain embodiments, it will be apparent to those skilled in the art that various changes and modification may be made without departing from the scope of the invention as defined in the following claims. 
Reference numerals
10-vehicle
20-headlamp
22-taillamp
24-number plate lamp
100-system
102-instrument cluster
104-light sensor
106-backlight display
108-backlight driver
110-control unit
112-driver unit
114-EMS 
, Claims:WE CLAIM:
1. A system (100) for operating one or more light sources (20, 22, 24, 106) in a vehicle (10), the system (100) comprising:
a light sensor (104), the light sensor (104) being disposed in the vehicle (10), the light sensor (104) being configured to determine a luminous intensity value of ambient light; and
a control unit (110), the control unit (110) being disposed in the vehicle (10), and the control unit (110) being coupled to the one or more light sources (20, 22, 24, 106) and the light sensor (104);
the control unit (110) being configured to:
receive the determined luminous intensity value from the light sensor (104);
determine a brightness value of the ambient light corresponding to the luminous intensity value received from the light sensor (104); and
operate each of the one or more light sources (20, 22, 24, 106) such that a luminosity of each of the one or more light sources (20, 22, 24, 106) being adjusted corresponding to the brightness value of the ambient light.

2. The system (100) as claimed in claim 1, wherein the one or more light sources (20, 22, 24, 106) comprises:
a headlamp (20), the headlamp (20) being mounted forwardly of the vehicle (10) in a front-rear direction of the vehicle (10);
a taillamp (22), the taillamp (22) being mounted rearwardly of the vehicle (10) in the front-rear direction of the vehicle (10); and
a number plate lamp (24), the number plate lamp (24) being mounted rearwardly of the vehicle (10) in the front-rear direction of the vehicle (10).

3. The system (100) as claimed in claim 1, wherein the light sensor (104) being disposed in an instrument cluster (102), the instrument cluster (102) being disposed forwardly in the vehicle (10) and located above the headlamp (20).

4. The system (100) as claimed in claim 1, wherein the control unit (110) being coupled to a backlight driver (108) of the instrument cluster (102), the control unit (110) being configured to transmit the determined brightness value to the backlight driver (108), the backlight driver (108) being coupled to a backlight display (106) and being configured to operate the backlight display (106) such that the luminosity of the backlight display (106) being adjusted corresponding to the determined brightness value of the ambient light.

5. The system (100) as claimed in claim 1, wherein the control unit (110) being adapted to:
operate the one or more light sources (20, 22, 24, 106) to a first luminosity when the brightness value of the ambient light is below a first threshold; and
operate the one or more light sources (20, 22, 24, 106) to a second luminosity when the brightness value of the ambient light is above the first threshold, wherein the first luminosity is greater than the second luminosity.

6. The system (100) as claimed in claim 1 comprises a driver unit (112), the driver unit (112) being communicatively coupled to the control unit (110) and the one or more light sources (20, 22, 24, 106), the driver unit (112) being capable of providing a duty cycle signal indicative of the luminosity of the one or more light sources (20, 22, 24, 106), wherein the control unit (110) being capable of operating the driver unit (112) for providing the duty cycle signal to adjust luminosity of the one or more light sources (20, 22, 24, 106) corresponding to the brightness value of the ambient light.

7. The system (100) as claimed in claim 1 comprising an engine management system (EMS) (114), the engine management system (EMS) (114) being disposed in the vehicle (10), the engine management system (EMS) (114) being communicatively coupled to the control unit (110), the EMS (114) being adapted to procure one or more parameters of the vehicle (10), wherein the one or more parameters comprises a speed of the vehicle (10), a throttle opening position of a throttle body of the vehicle (10), an engine speed, a charge level of a battery in the vehicle (10), an ignition-OFF condition of the vehicle (10), and an electric start status of the vehicle (10).

8. The system (100) as claimed in claim 7, wherein the control unit (110) being configured to control one of activation and deactivation of the one or more light sources (20, 22, 24, 106) based on the one or more parameters of the vehicle (10).

9. The system (100) as claimed in claim 1, wherein the control unit (110) being an Electronic Control Unit (ECU) of an Integrator Starter Generator (ISG) unit.

10. The system (100) as claimed in claim 3, wherein the light sensor (104) being disposed to either a bottom right side of the instrument cluster (102) of the vehicle (10) or to a center top side of the instrument cluster (102) of the vehicle (10).

11. A method (600) for operating one or more light sources (20, 22, 24, 106) in a vehicle (10), the method (600) comprising:
determining (602), by a light sensor (104) being disposed in the vehicle (10), a luminous intensity value of ambient light;
receiving (604), by a control unit (110) being disposed in the vehicle (10), the determined luminous intensity value from the light sensor (104), the control unit (110) being coupled to the one or more light sources (20, 22, 24, 106) and the light sensor (104);
determining (606), by the control unit (110), a brightness value of the ambient light based on the luminous intensity value received from the light sensor (104); and
operating (608), by the control unit (110), each of the one or more light sources (20, 22, 24, 106) such that a luminosity of each of the one or more light sources (20, 22, 24, 106) is adjusted corresponding to the brightness value of the ambient light.

12. The method (600) as claimed in claim 11 comprising:
transmitting, by the control unit (110), the determined brightness value to a backlight driver (108) of an instrument cluster (102), the control unit (110) being coupled to the backlight driver (108); and
operating, by the backlight driver (108), a backlight display (106) such that the luminosity of the backlight display (106) being adjusted corresponding to the determined brightness value of the ambient light.

13. The method (600) as claimed in claim 11 comprising:
operating, by the control unit (110), the one or more light sources (20, 22, 24, 106) to a first luminosity when the brightness value of the ambient light is below a first threshold; and
operating, by the control unit (110), the one or more light sources (20, 22, 24, 106) to a second luminosity when the brightness value of the ambient light is above the first threshold, wherein the first luminosity is greater than the second luminosity.

14. The method (600) as claimed in claim 11 comprising:
providing, by a driver unit (112) being communicatively coupled to the control unit (110) and the one or more light sources (20, 22, 24, 106), a duty cycle signal indicative of the luminosity of the one or more light sources (20, 22, 24, 106); and
operating, by the control unit (110), the driver unit (112) for providing the duty cycle signal to adjust luminosity of the one or more light sources (20, 22, 24, 106) corresponding to the brightness value of the ambient light.

15. The method (600) as claimed in claim 11 comprising:
procuring, by an engine management system (EMS) (114) being disposed in the vehicle (10) and communicatively coupled to the control unit (110), one or more parameters of the vehicle (10), wherein the one or more parameters comprises a speed of the vehicle (10), a throttle opening position of a throttle body of the vehicle (10), an engine speed, a charge level of a battery in the vehicle (10), an ignition-OFF condition of the vehicle (10), and an electric start status of the vehicle (10).

16. The method (600) as claimed in claim 15 comprising controlling, by the control unit (110), one of activation and deactivation of the one or more light sources (20, 22, 24, 106) based on the one or more parameters of the vehicle (10).

Dated this 19 day of June 2023

TVS MOTOR COMPANY LIMITED
By their Agent & Attorney

(Nikhil Ranjan)
of Khaitan & Co
Reg No IN/PA-1471